// 路由模块
import Vue from 'vue'
import VueRouter from 'vue-router'

// import Login from '@/components/Login.vue'
const Login = () =>
    import(
        /* webpackChunkName: "login_home_welcome" */ '@/components/Login.vue'
    )
// import Home from '@/components/Home.vue'
const Home = () =>
    import(/* webpackChunkName: "login_home_welcome" */ '@/components/Home.vue')
// import Welcome from '@/components/Welcome.vue'
const Welcome = () =>
    import(
        /* webpackChunkName: "login_home_welcome" */ '@/components/Welcome.vue'
    )

// import Users from '@/components/user/Users.vue'
const Users = () =>
    import(
        /* webpackChunkName: "Users_Rights_Roles" */ '@/components/user/Users.vue'
    )
// import Rights from '@/components/power/Rights.vue'
const Rights = () =>
    import(
        /* webpackChunkName: "Users_Rights_Roles" */ '@/components/power/Rights.vue'
    )
// import Roles from '@/components/power/Roles.vue'
const Roles = () =>
    import(
        /* webpackChunkName: "Users_Rights_Roles" */ '@/components/power/Roles.vue'
    )

// import Cate from '@/components/goods/Cate.vue'
const Cate = () =>
    import(/* webpackChunkName: "Cate_Params" */ '@/components/goods/Cate.vue')
// import Params from '@/components/goods/Params.vue'
const Params = () =>
    import(
        /* webpackChunkName: "Cate_Params" */ '@/components/goods/Params.vue'
    )

// import GoodList from '@/components/goods/List.vue'
const GoodList = () =>
    import(
        /* webpackChunkName: "GoodsList_Add" */ '@/components/goods/List.vue'
    )
// import AddGoods from '@/components/goods/Add.vue'
const AddGoods = () =>
    import(/* webpackChunkName: "GoodsList_Add" */ '@/components/goods/Add.vue')

// import Order from '@/components/order/Order.vue'
const Order = () =>
    import(
        /* webpackChunkName: "Order_Reoprt" */ '@/components/order/Order.vue'
    )
// import Reoprt from '@/components/report/Report.vue'
const Reoprt = () =>
    import(
        /* webpackChunkName: "Order_Reoprt" */ '@/components/report/Report.vue'
    )

Vue.use(VueRouter)

const router = new VueRouter({
    routes: [
        { path: '/', redirect: '/login' },
        { path: '/login', component: Login },
        {
            path: '/home',
            component: Home,
            redirect: '/welcome',
            children: [
                { path: '/welcome', component: Welcome },
                { path: '/users', component: Users },
                { path: '/rights', component: Rights },
                { path: '/roles', component: Roles },
                { path: '/categories', component: Cate },
                { path: '/params', component: Params },
                { path: '/goods', component: GoodList },
                { path: '/goods/add', component: AddGoods },
                { path: '/orders', component: Order },
                { path: '/reports', component: Reoprt }
            ]
        }
    ]
})

// 挂在路由导航守卫
router.beforeEach((to, from, next) => {
    // to 将要访问的路径
    // from 代表从按个路径跳转而来
    // next 是个函数，表示放行
    if (to.path === '/login') return next()
    const tokenStr = window.sessionStorage.getItem('token')
    if (!tokenStr) return next('/login')
    next()
})

export default router
